哈尔滨工业大学ACM 竞赛网上在线试题集锦，对你的编程能力的提高一定有很大帮助-Harbin Industrial University ACM Online Collection of questions, and for your ability to improve programming be of much help
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001231s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.088862s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001119s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001849s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001168s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003547s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001111s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003189s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014607s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001339s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 205006 [ RunTime:0.001280s ]
